Bump ff from 0.12.1 to 0.13.0

[dependabot]

Bumps ff from 0.12.1 to 0.13.0.

Changelog

Sourced from ff's changelog.

[0.13.0] - 2022-12-06

Added

• ff::Field::{ZERO, ONE}
• ff::Field::pow
• ff::Field::{sqrt_ratio, sqrt_alt}
• core::iter::{Sum, Product} bounds on ff::Field
• ff::PrimeField::from_u128
• ff::PrimeField::{MODULUS, TWO_INV}
• Constants related to multiplicative generators:
  • ff::PrimeField::MULTIPLICATIVE_GENERATOR
  • ff::PrimeField::{ROOT_OF_UNITY, ROOT_OF_UNITY_INV}
  • ff::PrimeField::DELTA
• ff::WithSmallOrderMulGroup
• ff::FromUniformBytes
• ff::helpers:
  • sqrt_tonelli_shanks
  • sqrt_ratio_generic

Changed

• ff::Field::sqrt is now a provided method that uses the Field::sqrt_ratio method. Implementors of the Field trait can choose to implement Field::sqrt_ratio and use the provided ff::Field::sqrt method, especially if it is more efficient in practice, or they can keep their own implementation of Field::sqrt and implement Field::sqrt_ratio in terms of that implementation using the ff::helpers::sqrt_ratio_generic helper function.
• ff::PrimeField is now documented as representing a non-binary field (i.e. its prime is not 2). This was always the intention, but is now a concrete requirement in order for PrimeField::TWO_INV to exist.

Removed

• ff::Field::{zero, one} (use ff::Field::{ZERO, ONE} instead).
• ff::PrimeField::{multiplicative_generator, root_of_unity} (use ff::PrimeField::{MULTIPLICATIVE_GENERATOR, ROOT_OF_UNITY} instead).

Commits

• See full diff in compare view

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